Comment 141 for bug 755841

(In reply to comment #96)
> If you have an unredirected fullscreen DRI2 application, then it will use
> pageflipping to update the scanout upon a SwapBuffers. So something as simple
> as 'mplayer -fs -vo gl' should be enough to achieve tear-free playback on most
> DE (you may have to tweak a few compositor settings if using one though).
Is this also true when you use multiple monitors (xrandr output follows)? Because I use mplayer -fs -vo gl with xf86-video-intel 8066bc33d78e78ce7c13833b08a7daaea2f3ed22 (AccelMethod SNA, TearFree not set) and I do notice tearing.

Here’s my xrandr output:
Screen 0: minimum 320 x 200, current 3520 x 1200, maximum 32767 x 32767
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 367mm x 275mm
   1600x1200 60.0*+
   1280x1024 75.0 72.0 60.0
   1152x864 75.0
   1024x768 75.1 70.1 60.0
   832x624 74.6
   800x600 72.2 75.0 60.3
   640x480 72.8 75.0 66.7 60.0
   720x400 70.1
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 connected 1920x1200+1600+0 (normal left inverted right x axis y axis) 474mm x 296mm
   1920x1200 60.0*+
   1600x1200 60.0
   1680x1050 60.0
   1280x1024 75.0 60.0
   1440x900 75.0 59.9
   1024x768 75.1 70.1 60.0
   800x600 72.2 75.0 60.3
   640x480 72.8 75.0 60.0
   720x400 70.1
HDMI3 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)